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Re: Re: Endianness of Linux synthetic target


On Fri, Mar 27, 2009 at 02:37:24PM +0200, Tarmo Kuuse wrote:
> Andrew Lunn wrote:
>> On Fri, Mar 27, 2009 at 12:12:56PM +0200, Tarmo Kuuse wrote:
>>> When building and running Linux synthetic target on a PC, does eCos 
>>> use  little endian like the host (x86)?
>>
>> Yes.
>
> OK.
>
> Today I learned something unexpected. When creating a jffs2 image for  
> synthetic flash, I MUST pad the image with 0xFF-s to full length.  
> Otherwise mount simply freezes.

This probably has to do with the mmap() of the file. If the file is
smaller than the flash it is supposed to be emulating, i guess a read
off the end of the file is blocking....

    Andrew

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